How is the weather in Beijing after September?

It is still slightly hot in early September, and the temperature can be around 30 degrees during the day and 20 degrees at night.

In the middle and late September, the temperature difference between morning and evening gradually increased. The maximum temperature during the day is generally below 30 degrees, and it can drop below 20 degrees at night, which is very cool.

The weather is mainly sunny with less precipitation.

Describe it in one sentence: the autumn is crisp and the sky is high and the clouds are light! Autumn! The best time of the four seasons in Beijing!